Dramatic promotion of gold/titania for CO oxidation by sulfate ions |
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| Authors: | Mohapatra P Moma John Parida K M Jordaan W A Scurrell Mike S |
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| Institution: | Colloids & Materials Chemistry Cell, Regional Research Laboratory (CSIR) Bhubaneswar, Orissa, 751 013, India. |
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| Abstract: | The activity of gold/titania catalysts for the room-temperature oxidation of CO can be dramatically enhanced by the addition of sulfate ions to the support; it appears that anion promotion of gold may be a general phenomenon and may be related to the direct modification of active gold sites in the case of sulfate ions, as evidenced by secondary ion mass spectrometry. |
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